There are a few different reasons why bathroom light switches are positioned outside of the bathroom. One reason has to do with sanitary concerns. If the switch were inside the bathroom, people would often turn it on while they were using the restroom, which could lead to moisture and dirt buildup on the switch. This could create an environment that's ideal for bacteria and mold to grow, which could cause health problems. Another reason has to do with safety. Some people might trip and fall if the switch were inside of the room. positioning it...